Instead of using thrusters, SPHEREx relies on a system of reaction wheels to control its orientation. The observatory will ...

Depending on the map projection used, the size of continents can be quite distorted - and a map showing the true size of each ...

The movement is slow — sinking on the scale of millimeters per year in the United States — but the effects accumulate over ...

Populations around the world were drastically changed at the end of the second world war, but the US saw a steep rise in ...